SUSE-SU-2026:2307-1: important: Security update for nginx

[SLE-SECURITY-UPDATES]

# Security update for nginx

Announcement ID: SUSE-SU-2026:2307-1  
Release Date: 2026-06-09T08:12:26Z  
Rating: important  
References:

  * bsc#1266215

  
Cross-References:

  * CVE-2026-9256

  
CVSS scores:

  * CVE-2026-9256 ( SUSE ):  9.2
    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-9256 ( SUSE ):  8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.6
  * Server Applications Module 15-SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for nginx fixes the following issue

  * CVE-2026-9256: heap buffer overflow in the `ngx_http_rewrite_module` when
    using a configuration with overlapping captures (bsc#1266215).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-2307=1

  * Server Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2307=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2307=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2307=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * nginx-1.21.5-150600.10.21.1
    * nginx-debugsource-1.21.5-150600.10.21.1
    * nginx-debuginfo-1.21.5-150600.10.21.1
  * openSUSE Leap 15.6 (noarch)
    * nginx-source-1.21.5-150600.10.21.1
  * Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * nginx-1.21.5-150600.10.21.1
    * nginx-debugsource-1.21.5-150600.10.21.1
    * nginx-debuginfo-1.21.5-150600.10.21.1
  * Server Applications Module 15-SP7 (noarch)
    * nginx-source-1.21.5-150600.10.21.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * nginx-1.21.5-150600.10.21.1
    * nginx-debugsource-1.21.5-150600.10.21.1
    * nginx-debuginfo-1.21.5-150600.10.21.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    * nginx-source-1.21.5-150600.10.21.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * nginx-1.21.5-150600.10.21.1
    * nginx-debugsource-1.21.5-150600.10.21.1
    * nginx-debuginfo-1.21.5-150600.10.21.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    * nginx-source-1.21.5-150600.10.21.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-9256.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1266215

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